Fork from bluejay at github and modified for my custom ESC. I need to modify it because some mistake design on my ESC hardware.
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;
; Bluejay digital ESC firmware for controlling brushless motors in multirotors
;
; Copyright 2020, 2021 Mathias Rasmussen
; Copyright 2011, 2012 Steffen Skaug
;
; This file is part of Bluejay.
;
; Bluejay is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation, either version 3 of the License, or
; (at your option) any later version.
;
; Bluejay is distributed in the hope that it will be useful,
; but WITHOUT ANY WARRANTY; without even the implied warranty of
; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
; GNU General Public License for more details.
;
; You should have received a copy of the GNU General Public License
; along with Bluejay. If not, see <http://www.gnu.org/licenses/>.
;
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;
; Common definitions for EFM8BB1x/2x based ESCs
;
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;*********************
; Device SiLabs EFM8BB1x/2x
;*********************
IF MCU_48MHZ == 0
$include (Silabs/SI_EFM8BB1_Defs.inc)
ELSE
$include (Silabs/SI_EFM8BB2_Defs.inc)
ENDIF
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; Uses internal calibrated oscillator set to 24/48Mhz
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; ESC selection statements
IF ESCNO == A_
$include (Layouts/A.inc) ; Select pinout A
ELSEIF ESCNO == B_
$include (Layouts/B.inc) ; Select pinout B
ELSEIF ESCNO == C_
$include (Layouts/C.inc) ; Select pinout C
ELSEIF ESCNO == D_
$include (Layouts/D.inc) ; Select pinout D
ELSEIF ESCNO == E_
$include (Layouts/E.inc) ; Select pinout E
ELSEIF ESCNO == F_
$include (Layouts/F.inc) ; Select pinout F
ELSEIF ESCNO == G_
$include (Layouts/G.inc) ; Select pinout G
ELSEIF ESCNO == H_
$include (Layouts/H.inc) ; Select pinout H
ELSEIF ESCNO == I_
$include (Layouts/I.inc) ; Select pinout I
ELSEIF ESCNO == J_
$include (Layouts/J.inc) ; Select pinout J
ELSEIF ESCNO == K_
$include (Layouts/K.inc) ; Select pinout K
ELSEIF ESCNO == L_
$include (Layouts/L.inc) ; Select pinout L
ELSEIF ESCNO == M_
$include (Layouts/M.inc) ; Select pinout M
ELSEIF ESCNO == N_
$include (Layouts/N.inc) ; Select pinout N
ELSEIF ESCNO == O_
$include (Layouts/O.inc) ; Select pinout O
ELSEIF ESCNO == P_
$include (Layouts/P.inc) ; Select pinout P
ELSEIF ESCNO == Q_
$include (Layouts/Q.inc) ; Select pinout Q
ELSEIF ESCNO == R_
$include (Layouts/R.inc) ; Select pinout R
ELSEIF ESCNO == S_
$include (Layouts/S.inc) ; Select pinout S
ELSEIF ESCNO == T_
$include (Layouts/T.inc) ; Select pinout T
ELSEIF ESCNO == U_
$include (Layouts/U.inc) ; Select pinout U
ELSEIF ESCNO == V_
$include (Layouts/V.inc) ; Select pinout V
ELSEIF ESCNO == W_
$include (Layouts/W.inc) ; Select pinout W
;ELSEIF ESCNO == X_
;$include (Layouts/X.inc) ; Select pinout X
;ELSEIF ESCNO == Y_
;$include (Layouts/Y.inc) ; Select pinout Y
ELSEIF ESCNO == Z_
$include (Layouts/Z.inc) ; Select pinout Z
ENDIF
SIGNATURE_001 EQU 0E8h ; Device signature
IF MCU_48MHZ == 0
SIGNATURE_002 EQU 0B1h
ELSE
SIGNATURE_002 EQU 0B2h
ENDIF
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; Constant definitions
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ESC_C EQU "A" + ESCNO - 1 ; ESC target letter
IF MCU_48MHZ == 0 ; MCU letter (24Mhz=L, 48Mhz=H)
MCU_C EQU "L"
ELSE
MCU_C EQU "H"
ENDIF
ENDIF
; Dead time number as chars
DT_C2 EQU "0" + (DEADTIME / 100)
DT_C1 EQU "0" + ((DEADTIME / 10) MOD 10)
DT_C0 EQU "0" + (DEADTIME MOD 10)
CSEG AT 1A40h ; ESC layout tag
IF DEADTIME < 100
Eep_ESC_Layout: DB "#", ESC_C, "_", MCU_C, "_", DT_C1, DT_C0, "# "
ELSE
Eep_ESC_Layout: DB "#", ESC_C, "_", MCU_C, "_", DT_C2, DT_C1, DT_C0, "# "
ENDIF
CSEG AT 1A50h ; Project and MCU tag (16 Bytes)
IF MCU_48MHZ == 0
Eep_ESC_MCU: DB "#BLHELI$EFM8B10#"
ELSE
Eep_ESC_MCU: DB "#BLHELI$EFM8B21#"
ENDIF
Interrupt_Table_Definition MACRO
CSEG AT 0 ;; Code segment start
jmp reset
CSEG AT 03h ;; Int0 interrupt
jmp int0_int
CSEG AT 0Bh ;; Timer0 overflow interrupt
jmp t0_int
CSEG AT 13h ;; Int1 interrupt
jmp int1_int
CSEG AT 1Bh ;; Timer1 overflow interrupt
jmp t1_int
CSEG AT 2Bh ;; Timer2 overflow interrupt
jmp t2_int
CSEG AT 5Bh ;; PCA interrupt
jmp pca_int
CSEG AT 73h ;; Timer3 overflow/compare interrupt
jmp t3_int
ENDM
Initialize_PCA MACRO
mov PCA0CN0, #40h ;; PCA enabled
mov PCA0MD, #08h ;; PCA clock is system clock
mov PCA0PWM, #(80h + PWM_BITS_H) ;; Enable PCA auto-reload registers and set pwm cycle length (8-11 bits)
IF PWM_CENTERED == 1
mov PCA0CENT, #07h ;; Center aligned pwm
ELSE
mov PCA0CENT, #00h ;; Edge aligned pwm
ENDIF
ENDM
Set_MCU_Clk_24MHz MACRO
mov CLKSEL, #13h ;; Set clock to 24MHz (Oscillator 1 divided by 2)
mov SFRPAGE, #10h
mov PFE0CN, #00h ;; Set flash timing for 24MHz and disable prefetch engine
mov SFRPAGE, #00h
clr Flag_Clock_At_48MHz
ENDM
Set_MCU_Clk_48MHz MACRO
mov SFRPAGE, #10h
mov PFE0CN, #30h ;; Set flash timing for 48MHz and enable prefetch engine
mov SFRPAGE, #00h
mov CLKSEL, #03h ;; Set clock to 48MHz (Oscillator 1)
setb Flag_Clock_At_48MHz
ENDM